Take the Blood Transfusion Quiz

Each year, millions of Americans roll up their sleeves to donate blood, helping accident victims, surgical patients, and others in need. How much do you know about blood transfusions? Take this multiple-choice test to find out.

1. Why are transfusions given?

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Transfusions also improve clotting problems.

A. To increase the amount of bloodB. To increase the blood's ability to carry oxygenC. To decrease the risk of bleedingD. All of the above

2. Which parts of the blood can be transfused?

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Whenever possible, recipients are given only the component of blood needed instead of whole blood.

A. Whole bloodB. PlateletsC. Red blood cellsD. All of the above

3. What is the minimum you should weigh to donate blood?

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An extensive medical history is taken before a donor is accepted. Then a drop of blood is tested to see if the donor has enough hemoglobin to give blood without harming his or her own health.

A. 100 poundsB. 110 poundsC. 115 poundsD. 125 pounds

4. How often can a donor give blood?

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It takes the body eight weeks to replenish red and white blood cells.

A. At any timeB. Every 2 monthsC. Every 3 monthsD. Every 6 months

5. How much blood usually is donated at a time?

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One pint is the standard donation. The blood is sealed in a plastic bag with preservatives and anti-clotting agents.